125840412 has 24 divisors (see below), whose sum is σ = 326253200. Its totient is φ = 41946768.

The previous prime is 125840411. The next prime is 125840419. The reversal of 125840412 is 214048521.

125840412 is a `hidden beast` number, since 1 + 258 + 404 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125840411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582487 + ... + 582702.

Almost surely, 2^125840412 is an apocalyptic number.

125840412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125840412 is an abundant number, since it is smaller than the sum of its proper divisors (200412788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125840412 is a wasteful number, since it uses less digits than its factorization.

125840412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165202 (or 1165194 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 125840412 is about 11217.8612934908. The cubic root of 125840412 is about 501.1180474099.

Adding to 125840412 its reverse (214048521), we get a palindrome (339888933).

The spelling of 125840412 in words is "one hundred twenty-five million, eight hundred forty thousand, four hundred twelve".